For two weeks, every four years, the world's best athletes, along with fans, coaches and the media, descend upon a different city for the Olympic games.But after the ceremonies end, the venues are often neglected. Many now sit vandalized and covered in graffiti, unrecognizable from how they once appeared. Here are five former Olympics sites that look dramatically different today. 1. Rio de Janeiro, Brazil, 2016 Summer OlympicsPromises that the buildings would be converted into public facilities were broken, and 12 of the original 27 venues were abandoned. The soccer stadium is covered with graffiti and is now without electricity after amassing a $950,000 bill.2. Beijing, China, 2008 Summer OlympicsThe country has found uses for some of its original Olympic structures, which cost $40 billion to build. The city's National Stadium still holds concerts, sporting events and e-sports competitions, but other venues remain empty. 3. Athens, Greece, 2004 Summer OlympicsConstruction of Olympic facilities cost the country $15 billion. “It was a waste of money and all for show. It cost a lot,” Dimitris Mardas, general secretary for trade at the time, told Reuters in 2014.Though athletes still use some buildings, many sit empty as real estate moguls struggle to find funds for redevelopment.4. Atlanta, Georgia, 1996 Summer OlympicsThe Georgia Dome hosted several of the games' competitions, but was demolished in 2017. 5. Sarajevo, Bosnia-Herzegovina, Yugoslavia, 1984 Winter OlympicsCivil war ravaged the country from 1992 to 1996, a decade after the games ended.Some of the buildings were used as military facilities, but have since fallen into disrepair.

For two weeks, every four years, the world's best athletes, along with fans, coaches and the media, descend upon a different city for the Olympic games.

But after the ceremonies end, the venues are often neglected. Many now sit vandalized and covered in graffiti, unrecognizable from how they once appeared.

Here are five former Olympics sites that look dramatically different today.

1. Rio de Janeiro, Brazil, 2016 Summer Olympics

Promises that the buildings would be converted into public facilities were broken, and 12 of the original 27 venues were abandoned. The soccer stadium is covered with graffiti and is now without electricity after amassing a $950,000 bill.

2. Beijing, China, 2008 Summer Olympics

The country has found uses for some of its original Olympic structures, which cost $40 billion to build. The city's National Stadium still holds concerts, sporting events and e-sports competitions, but other venues remain empty.

3. Athens, Greece, 2004 Summer Olympics

Construction of Olympic facilities cost the country $15 billion.

“It was a waste of money and all for show. It cost a lot,” Dimitris Mardas, general secretary for trade at the time, told Reuters in 2014.

Though athletes still use some buildings, many sit empty as real estate moguls struggle to find funds for redevelopment.

4. Atlanta, Georgia, 1996 Summer Olympics

The Georgia Dome hosted several of the games' competitions, but was demolished in 2017.

5. Sarajevo, Bosnia-Herzegovina, Yugoslavia, 1984 Winter Olympics

Civil war ravaged the country from 1992 to 1996, a decade after the games ended.Some of the buildings were used as military facilities, but have since fallen into disrepair.